Flash Flood Watch
Issued by NWS Medford, OR

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WGUS66 KMFR 210635
FFAMFR

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE MEDFORD OR
1135 PM PDT SAT SEP 20 2014

CAZ082-211600-
/O.NEW.KMFR.FF.A.0001.140921T0635Z-140922T0000Z/
/00000.0.GO.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SOUTH CENTRAL SISKIYOU COUNTY-
1135 PM PDT SAT SEP 20 2014

...FLASH FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A

* FLASH FLOOD WATCH FOR A PORTION OF NORTHERN CALIFORNIA...
  INCLUDING THE FOLLOWING AREA...HIGHWAY 89 AT PILGRIM CREEK IN
  SOUTH CENTRAL SISKIYOU COUNTY.

* THROUGH SUNDAY AFTERNOON.

* A GLACIER ON MOUNT SHASTA HAS BROKEN...RELEASING LARGE
  QUANTITIES OF MUD...ROCKS AND WATER. FLOOD WATERS ARE MOVING
  DOWN MUD CREEK AND PILGRIM CREEK FROM MID WAY UP MOUNT SHASTA TO
  JUST NORTH OF HIGHWAY 89 WHERE WATERS ARE CURRENTLY DAMMED.

* WATER CONTINUES TO ACCUMULATE UPSTREAM BEHIND THE DEBRIS FLOW
  AND MAY BREAK FREE AND FLOW DOWNSTREAM ACROSS HIGHWAY 89 AT ANY
  TIME. THIS DRAINAGE FLOWS PAST HIGHWAY 89 APPROXIMATELY 4 TO 5
  MILES EAST OF MCCLOUD...WHICH IS WHERE THE FLOOD THREAT EXISTS.

* THE AMOUNT OF WATER BUILDING UP BEHIND THE DEBRIS FLOW IS NOT
  KNOWN AT THIS TIME...BUT IT MAY BE SUBSTANTIAL. IF AND WHEN THIS
  WATER IS RELEASED IT MAY CREATE SIGNIFICANT FLOODING ON HIGHWAY
  89. THE FLOOD WATERS MAY BE SWIFT MOVING AND VERY DANGEROUS.
  MOTORISTS ON HIGHWAY 89 EAST OF MCCLOUD ARE URGED TO USE EXTREME
  CAUTION TONIGHT AS FLOODING MAY BE SUDDEN AND FLOOD WATERS ARE
  VERY DIFFICULT TO SEE AT NIGHT.

* IN ADDITION...FLOODING IS ALREADY OCCURRING FURTHER UP PILGRIM
  CREEK. SEE PDXFFWMFR FOR DETAILS.

* THIS FLOOD WATCH MAY BE UPGRADED TO A WARNING...EXTENDED OR
  CANCELED AS NEW INFORMATION IS RECEIVED.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT
  HTTP://GO.USA.GOV/ZYV5

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

WRIGHT




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